.container {
  position: fixed;
  background-color: rgba(0, 0, 0, .35);
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
}

.container .panel {
  position: relative;
  width: 80%;
  height: 40%;
  left: 10%;
  top: 35%;
  background-color: #f8f8f8;
  border: 1px solid lightgray;
  box-shadow: 0 1px 2px 1px white;
  -webkit-border-radius: 1em;
  -moz-border-radius: 1em;
  border-radius: 1em;
}

.container .panel .content {
  margin: auto;
}

.content input {
  margin: 2em;
  border: none;
  border-bottom: 1px solid gray;
  width: 15em;

  text-rendering: auto;
  letter-spacing: normal;
  word-spacing: normal;
  text-transform: none;
  text-indent: 0px;
  text-shadow: none;
  display: inline-block;
  text-align: start;

  padding: 0px;
  position: relative;
  outline: none;
  background-color: rgba(0, 0, 0, 0);
  color: rgba(0, 0, 0, 0.87);
  cursor: inherit;
  font-style: inherit;
  font-variant: inherit;
  font-weight: inherit;
  font-stretch: inherit;
  font-size: inherit;
  line-height: inherit;
  font-family: inherit;
  opacity: 1;
  -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
  height: 100%;
  box-sizing: border-box;
}

.content .label_container {
  float: left;
  padding-left: 6em;
}

.content label {
  background-color: transparent;
  border: 1px solid lightgrey;
  padding: .4em;
  margin: .4em;
  text-align: center;
  cursor: pointer;
}

.content label:hover {
  box-shadow: 0 2px 4px 3px #dbdbdb;
}
